Auxiliary bobbin support for use on the shank of a bobbin holder



F. LAMBACH 2,437, 0

AUXILIARY BOBBIN SUPPORT FOR USE ON THE SHANK OF A BOBBIN HOLDER March 2, 1948.

Filed 001:. 16, 1944 R O T N E V m ICIZWTZ )LjMBACf-l BY f -4 2 "/10 ATTORNEY Patented MB!- 29 4 UNITED STATES PATENT OFFICE.

AUXILIARY 30m SUPPORT FOR USE ON THE SHANK OF A BOBBIN HOLDER Fritz Lambach, Tenafly, N. J. Application October 16, 1944, Serial No. 558,838

1 19 Claims.

My invention relates to textile machines, and more particularly to supports for bobbins.

The bobbins available in the trade have cylindrical tubes or conical tubes, and the conical tubes are made in a great variety of diiferent shapes.

An object of my invention is to provide an auxiliary bobbin support, by means of which a bobbin holder made for normally supporting a bobbin with a cylindrical tube may be readily adapted to the support of bobbins with conical tubes of various shapes, so that a textile machine, for example a creel, may be used for any type of bobbins available in the market.

Another object of my invention is to provide such an auxiliary bobbin support or adapter, which may be readily mounted on a bobbin holder constructed for the support of bobbins with cylindrical tubes, when such a bobbin holder is to be used for bobbins with conical tubes.

A further object of my invention is to provide an auxiliary bobbin support or adamer of above described type, which is of such a structure, that it assures a stable support of conical tubes of various shapes. I

Still another object of my invention is to provide such an auxiliary bobbin support or adapter, which may be manufactured at low costs.

With the above and other objects of the invention in view, the invention consists in the novel construction, arrangement and combination of various devices, elements and parts as set forth in the claims hereof, certain embodiments of the same being described in the specification and being illustrated in the accompanying drawings forming part of this specification, wherein:

Fig. 1 is a top plan view of a bobbin holder for the support of a bobbin w h a cylindrical tube,

some parts being sho section,

Fig. 2 is a top plan V161, partly in section, of an auxiliary bobbin support or adapter according-to the invention,

Fig. 3 is an elevational view of the head of the adapter shown in Fig. 2, a portion of an element being broken away,

Fig. 4 is an elevational view of the base of the adapter shown in Fig. 2, and

Fig. 5 is a top plan view, partly in section, of the bobbin holder shown in Fig. 1 with an adapter shown in Fig. 2 mounted thereon, Y

Referring now to the drawings, it generally indicates a bobbin holder comprising a shank I2, one end of which is threaded into a threaded bore of an arm I4 for a rigid connection therewith. The shank I2 is provided with longitudinal recesses l8 and I8 at opposite sides of its circumference; said recesses are connected with each other by a transverse bore 20. A spring 22 made of a resilient wire bent in a suitable shapepasses through said bore 20 and is partially engaged with said recesses l6 and I8. The free ends 24 and 26 of said wire spring 22 are held in slidable engagement with said recesses I6 and I8 by means of a holding element 28 screwed on a threaded portion of the shank l2. The arm 14 has a bore 30 at its free end for engagement with a rod of a textile machine, for example a creel, and the bobbin holder I 0 may be held in its position on such a rod by means of a spring 32 secured to the arm l4 by 'means of a screw 34. The describedbobbin holder l0 may be used for the support of a bobbin 36 with a cylindrical tube 38. When such a bobbin 36 with a cylindrical tube 38 is placed on the shank l2 of the bobbin holder III, the spring 22 is somewhat compressed while its ends 24, 26 slide toward the left hand end of the shank (as viewed in Fig. 1); the spring 22 urging against the inner. wall of the cylindrical tube 33 holds the bobbin 33 on the shank l2 of the bobbin holder I 0.

Hereinafter I describe an auxiliary bobbin support or adapter according to the invention, by means of which above described bobbin holder may. be adapted to the support of bobbins with conical tubes.

According to Figs. 2-4, the adapter 40 comprises a head 42, a base 44, and a flexible or compressible cage 48.

The head 42 comprises a disc 48 having a center bore 50 and having four longitudinal recesses 52 on its circumference. A set screw 54 is threaded into a threaded radial bore 56 of the disc 48. Furthermore, a teethed washer 58 or the like is mounted on the head 42; said teethed washer is secured to the disc 48 in a manner to be described hereinafter. The base 44 comprises a disc 60 having a center bore 62 and a flange 64 provided with four recesses 66. A resilient split ring 68 is arranged within said flange so as to form an abutment.

The cage 48 is made of two resilient wires 10 and 12, which are arranged in planes being at an angle of relative to each other. Each wire is in engagement with opposite recesses 52 on the disc 48 and with opposite spaces between teeth of the teethed washer 58. The wires are firmly held in engagement with said recesses-52 by an inward hammering of the edges of the recesses as indicated at 14. Therefore, the cage 46 formed by said pair of wires 10, I2 is rigidly connected with the head 42, and the teethed washer 58 embraced by a portion of said wires 18, I2 is firmly'seoured to the disc 48 of the head. The end portions" of the wire 10 and the end portions 18 of the wire 12 are slidably engaged with the recesses 66 of the flange 64 of the disc 80, so that they may be moved inwardly from the position shown in Fig. 2 into the position shown in Fig. when the flexible and resilient cage 48 is compressed. Furthermore, the ends 80 of said end portions 16 and the ends 82 of said end portions 18 are bent at a right angle, so that said ends 80 and 82 form stops for engagement with the split ring 68, when the cage 48 is released as shown in Fig. 2. The wires and 12 are bent in suitable manner as shown in the drawings, so that the cage 46 formed by said wires is tapered from a point. 84 adjacent the base 44 toward the head 42.

When the bobbin holder l0 shall be used for carrying bobbins with a conical tube, the above described adapter 40 is mounted on the shank i2 by engaging the shank with the aperture 62 in the base 44, shifting the adapter 40 over the compressible bowed springs 22, engaging the shank with the aperture 50 in the head 42, and tightening the set screw 54 for engagement with a recess 88 on the shank. Thus, the adapter 48 is firmly held on the shank l2 of the bobbin holder 14. During the mounting of the adapter 40 on the shank l2, the bowed springs 22 are compressed by the wall of the aperture 82 sliding along the springs 22; when the adapter 40 is in its place on the shank I2 as shown in Fig. 5, the springs may expand into their original position. Now, when a bobbin 88 with a conical tube 90 of paper or cardboard is placed on the cage 46,

the resilient wires 18 and 12 thereof are compressed and are brought into the position shown in Fig. 5. The resilient wires urge against the inner wall of the conical tube 18, so that they hold the latter on the adapter. Furthermore, the teeth of the teethed washer 58 bite to a certain degree into the material of the wall of the conical tube 10 so as to assist in the holding of the bobbin on the adapter. It has been found that the teethed washer 58 is extremely useful for conical tubes with a great inclination of the wall of the tube.

As will be readily understood from above, the slidable connection of the end portions 76 and 18 01' the wires 10 and 12 with the base 44 permits the support of bobbins with conical tubes of various shapes. The greater the inclination of the wall of the tube, the smaller the inward movement of the end portions 18, 18 when the bobbin with the conical tube is placed on the cage 46 of the adapter 40.

I have described a preferred embodiment of my invention, but it is clear that numerous changes and omissions may be made without departing fromthe spirit of my invention.

What I claim is:

1. An auxiliary bobbin support adapted to be mounted on a bobbin holder having a shank provided with bowed springs having their free ends slidably engaging the shank for receiving a cylindrical bobbin tube, comprising a substantially conical-shaped body for the support of a conical bobbin tube, said body having a first aperture near one end adapted to be passed over said bowed springs into a mounting position near one end of said shank, and said body having a second. aperture spaced from said first aperture and adapted to be engaged with the other end of said shank.

2. An auxiliary bobbin support adapted to be mounted on a bobbin holder having a shank provided with bowed springs for receiving a cylindrical bobbin tube, comprising a substantially conical-shaped body for the support of a conical bobbin tube, said body having a firstaperture near one end adapted to be passed over said bowed springs into a mounting position near one end of said shank, said' body having a second aperture spaced from said first aperture and adapted to be engaged with the other end of said shank, said body being hollow between said apertures and its hollow portion being spaced from the springs so that said bowed springs may expand into their original position after the passing or said first aperture over said springs.

3. An auxiliary bobbin support adapted to be mounted on a bobbin holder having a shank provided with bowed springs for receiving a cylindrical bobbin tube, comprising a substantially conical-shaped body for the support of a conical bobbin tube, said body having a first aperture near one end adapted to be passed over said bowed springs into a mounting position near one end of said shank and having a second aperture spaced from said first aperture and adapted to be engaged with the other end of said shank, and means associated with said body for rigidly connecting the same with said shank.

4. An auxiliary bobbin support adapted to be mounted on a bobbin holder having a shank provided with bowed springs for receiving a cylindrical bobbintube, comprising a body having a large end and a small end and being substantially conical-shaped for the support of a conical bobbin tube, said body having a first aperture near the large end adapted to be passed over said bowed springs into a mounting position near one end of said shank and having a second aperture spaced from said first aperture and adapted to be engaged with the other end or said shank, and a stationary teethed element arranged near said small end of said body and connected to the latter for engagement with the material 0; the inner wall of a conical bobbin tube placed on said body.

5. An auxiliary bobbin support adapted to be mounted on a bobbin holder having a shank provided with bowed springs for receiving a cylindrical bobbin tube, comprising a body having a large end and a small end and being sub-.

stantially conical-shaped for the support of a conical bobbin tube, said body having a first aperture near the large end adapted to be passed over said bowed springs into a mounting position near one end of said shank and having a second aperture spaced from said first aperture and adapted to be engaged with the other end of said shank, and a teethed washer arranged near said small end of said body for engagement with the material of the inner wall 01' a conical bobbin tube placed on said body.

6. An auxiliary bobbin support adapted to be mounted on a bobbin holder having a shank provided with bowed springs for receiving a cylindrical bobbin tube, comprising a body having a large end and a small end and being substantially conical-shaped for the support of a conical bobbin tube, said body having a. first aperture near its large end adapted to be passed over said bowed springs into a mounting position near one end of said shank and having a second aperture spaced from said first aperture and adapted to be engaged with the other end of said shank, and the supporting portion of said body which is arranged near the large end thereof for eng eious shapes.

v. An 'auxiliarybobbin support" adapted is be mounted on a bobbin holder having a shank we vided with bowed springsior receiving a-cylindrical bobbin tube, comprising a body having a large end and a small end and being substantially conical-shaped for the support oi a conical bobbin tube. said body having aflrst aperture near its large end adapted to be passedover said bowed springs into a mounting position near one end of said shank and having asecond aperture spaced from said first aperture and adapted to be engaged with the other end or said shank, the supporting portion or said body which is arranged near the large end thereof for engagement with asubstantial length of said conical bobbin tube being made'oi' resilient material and being compressible so as to take bobbins ofvarious-shapes, and a stationary teethed element arranged near said small end of said body and connected to the latter for-engagement with the material of the inner wall of a conical bobbin tubeplaced onsaid body.- 1

8. An auxiliary bobbin support adapted'to be mounted on a bobbin holder having a shank provided with bowed springs for receiving a cylindrical bobbin tube, comprising a body having a large end and a small end-and being substantially conical-shaped for the support of a conical bobbin tube, said body having a flrst aperture near its large end adapted to be passed over said bowed springs into a mounting position near one end of said shank and having a second aperture spaced from said first aperture and adapted to be engaged with the other end of said shank, the supporting portimi of said body which is arranged near the large end thereof for engageaasmpo head-base-cage assembl position near one end of said shank. said head having a second'aperture adapted to be engaged with said shank, and means associated with said the same with said shank,

11. An auxiliary bobbin support adapted to be mounted ona bobbin holder having a shank provided with bowed springs for receiving a cylindrical bobbin tube, comprising a, head, a base; and a compressible cage made of resilient wire material, one end 01' said case being rigidly connected with said head, the other end of said case being movably engaged with said base, said cage being tapered from a point adjacent said base toward said head ior the support of a conical bobbin tube, said base having a first aperture adapted to be passed over said bowed springs into amounting position near one end of said shank, and said head having a second aperture I adapted to be engaged with said shank.

:12. An auxiliary bobbin support adapted to be mounted on a bobbin holder having a shank provided with bowed springs for receiving a cylin- 'drical'bobbin tube,- comprising a head,- a base or said wires at the other end 0! said cage being bent so as to extend in'a substantially radial direction, said openings at the circumference of said base slidably receiving said radially extending ends of the wires of the cage whereby the cage maybe compressed without a substantial ment with a substantial length of said conical bobbin tube being made of resilient material and being compressible so as to take bobbins of various shapes, and a teethed washer arranged near said small end of said body and connected to the latter for engagement'with the material of the and a compressible cage made of resilient wire material, one end of said cage being connected with said head, the other end of said case bein connected with said base, said cage being tapered from a point adjacent said base toward said head for the support of a conical bobbin tube, said base having a first aperture adapted to be passed over said bowed springs into a mounting position near one end of said displacement of said base in the direction of the longitudinal axis of said cage, said cage bein'g tapered from a point adjacent said base toward said head for thesupport 01 a conical bobbintube, said base having a first aperture adapted to be passed over said bowed springs into a mounting position near one end of said shank, and said head having a second aperture adapted to beengaged withsaid shank. V I

13. In an auxiliary bobbin support, as claimed in claim 12, saidbase including a flanged disc having a plurality of openings in its flange slidably receiving the ends or the plurality of vv'ires forming the cage, and said ends of said wires being bent so as to form stops for engagement with a stationary Part on said flange.

14. In an auxiliary bobbin support as claimed in claim 12, said base including a flanged disc having a plurality of recesses slidably receiving the ends or the plurality of wires forming the shank, andsaid head having a second aperture rial, one end of said cage being connected-with ,said head,'the other-end of said cage being connected with said base, said cage being tapered 'Irom a point adjacent said base toward said head for the support of a conical bobbin tube, said base having a first aperture adapted to be passed over said bowed springs into a mounting cage, a split ring arranged on said disc for engagement with the flange thereof, and 'the ends on! said wires being bent so as to form stops for engagement withsaid split ring.

, 15. An auxiliary bobbin support adapted to be mounted on a bobbin holder having a shank provided with bowed springs for receiving a cylindrical bobbin tube, comprising a head, a base, a compressible cage made of resilient wire material. one end of said cage being connected with said head, the other end of said cage being connected with said base, said cage being tapered from a point adjacent said base toward said head for the support of a conicalbobbin tube, a stationary teethed element mounted on said head for engagement with the material of the inner wall of a conical bobbin tube placed on said cage, saidbase having a first aperture adapted to be'passed over said bowed springs into .a mounting position near one end of said shank, and said head having a second aperture adapted tobeengagedwith saidshank.

for rigidly connectin 7 16. An auxiliary bobbin support adapted to be mounted on a bobbin holder having a shank provided wtih bowed springs for receiving a cylindrical bobbin tube, comprising a head, a base, a compressible cage made of resilient wire material, one end of said case being connected with said head, the other end oi said cage being connected with said base, said case being tapered !rom a point adJacent said base toward said head for the support of a conical bobbin tube, a teethed washer mounted on said head for engagement with the material of the inner wall of a conical bobbin tube placed on said cage, said base having a first aperture adapted to be passed over said bowed springs into a mounting position near one end oi said shank, and said head having a second aperture adapted to be engaged with said shank.

17. An auxiliary bobbin support adapted to be mounted on a bobbin holder having a shank provided wtih bowed springs for receiving a cylindrical bobbin tube, comprising a head, a base, a compressible cage made of resilient wire material, one end of said-cage being rigidly connected with said head, the other end of said cage being movably engaged with said base, said cage being tapered from a point adjacent said base toward said head for the support of a conical bobbin tube, a stationary teethed element mounted on'said head for engagement with the material of the inner'wall of a conical bobbin.

tube placed on said cage, said base having a first aperture adapted to be passed over said bowed springs into a mounting position near one end of said shank, and said head having a second aperture adapted to be engaged with said shank.

18. An auxiliary bobbin support adapted to be mounted on a bobbin holder having a shank provided with bowed springs for receiving a cylindrical bobbin tube, comprising a head, a base, a compressible cage made of resilient wire material, one end of said cage being rigidly connected with said head, the other end of said cage being movably engaged with said base, said cage being tapered from a point adjacent said base toward said head for the support of a. conical bobbin tube, a teethed washer mounted on said head for engagement with the material of 8 the inner wall of a conical bobbin 'tube placed. on said cage. said base having a first aperture adapted to be passed over said bowed springs into a mounting position near one end oi said shank, and said head having a second aperture adapted to be engaged with said shank.

19. An auxiliary bobbin support adapted to be mounted on a bobbin holder having a shank provided wtih bowed springs for receiving a cylindrical bobbin tube, comprising a head, a base having a plurality of openings at its circumference, a compressible cage made of a plurality oi resilient wires, one end of said cage being rigidly connected with said head, the ends of said wires at the other end of said cage being bent so as to extend in a substantially radial direction, said openings at the circumference of said base slidably receiving said radially extending ends of the wires of the cagewhereby the cage may be compressed without a substantial displacement of said base in the direction of the longitudinal axis of said cage, said cage being tapered from a point adjacent said base toward said head for the support of a conical bobbir tube, and a teethed element mounted on sale head for engagement with the material of the, inner wall of a conical bobbin tube placed on said cage, said base having a first aperture adapted to be passed over said bowed springs into a mounting position near one end of said shank, and said head having a second aperture adapted to be engaged with said shank.

FRITZ LAMBACH.

REFERENCES crrEn The following references are of record in the file of this patent:

UNITED STATES PATENTS Great Britain Nov. 6, 1899 

